A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Resultados 1-5 de 26
Página 9
... corresponds to the part of an Ascidian which contains the heart , the " hæmal . " Tabular view of the Orders and Sub - orders of Polyzoa . The reader will be further assisted in the anatomical inquiry in which we are now about to be ...
... corresponds to the part of an Ascidian which contains the heart , the " hæmal . " Tabular view of the Orders and Sub - orders of Polyzoa . The reader will be further assisted in the anatomical inquiry in which we are now about to be ...
Página 10
... corresponds in part with the Hippocrepia of Gervais . The Hippocrepia of the French zoologist , however , constitute in reality an artificial group . Being essentially characterised by the possession of a crescentic lophophore , they ...
... corresponds in part with the Hippocrepia of Gervais . The Hippocrepia of the French zoologist , however , constitute in reality an artificial group . Being essentially characterised by the possession of a crescentic lophophore , they ...
Página 17
... corresponding to the cardiac cavity of the stomach in the other fresh - water Polyzoa , and to the gizzard in certain marine species . This sac is much more distinct from the great cavity of the stomach than in the other Polyzoa of ...
... corresponding to the cardiac cavity of the stomach in the other fresh - water Polyzoa , and to the gizzard in certain marine species . This sac is much more distinct from the great cavity of the stomach than in the other Polyzoa of ...
Página 18
... correspond to the middle and external layers of the stomach , the former being here largely developed ( A ' ) , while ... corresponding to the middle layer of the stomach are large , and filled , in the well - fed animal , with a clear ...
... correspond to the middle and external layers of the stomach , the former being here largely developed ( A ' ) , while ... corresponding to the middle layer of the stomach are large , and filled , in the well - fed animal , with a clear ...
Página 19
... corresponds to the side of the rectum , is extended into two long triangular lobes or arms , so as to cause the ... corresponding to the arms of the crescent being slightly prolonged , while the bilaterality is rendered still more ...
... corresponds to the side of the rectum , is extended into two long triangular lobes or arms , so as to cause the ... corresponding to the arms of the crescent being slightly prolonged , while the bilaterality is rendered still more ...
Otras ediciones - Ver todas
A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
A Monograph of the Fresh-Water Polyzoa, Including All the Known Species ... George James Allman Sin vista previa disponible - 2009 |
Términos y frases comunes
adherent Alcyonella Alcyonella fungosa Alcyonella stagnorum alimentary canal Allman anatomy animal annulus Ascidian attached become Beneden Bowerbankia Brachiopoda branches branchial sac Brit Brux campanulata cavity cell cilia crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst Ehrenbergi embryo endocyst epistome exserted external fibres flabellum fluid fresh-water Polyzoa funiculus ganglion genera genus Gervais hæmal Hancock hippocrepian Hist homologous intestine invaginated l'Acad Lamarck layer Leidy Linnæus longitudinal lophophore Lophopus crystallinus margin Mém membrane memoir Meyen mouth Müller Naisa naturalists observed oesophagus organ orifice Original figures ovary ovum Paludicella parieto-vaginal muscles peculiar Pedicellina perigastric space Plumatella repens Polype à Panache polypide Polyzoon portion posterior present Raspail respiratory retraction retractor retractor muscles Rösel seen septa side species specimens statoblasts stomach structure surface tentacles tentacula tentacular crown tentacular sheath thoracic chamber transparent transverse Trembley tubes Tubularia repens tunic Tunicata Urnatella walls Zooph